15 Jun
2016
15 Jun
'16
5:02 a.m.
Hi worik,
worik wrote:
Friends
Apologies if this has been asked and answered already but I can find no
solutns.
My jackd set up is quite idiosyncratic. When I plug in my external
sound gear I have to change the connections each time to get sound out.
I also use a variety of gear from the same computer each with its own
requirements.
I would like to be able to write a script that would start up jackd, set
the default sound IO to use jackd (I am on Ubuntu Studio) start a couple
of other applications and change the connections.
The man page for jackd is not much help. I have found some pages that
have part of the answer (e.., http://www.64studio.com/node/740) but
surely there is some direct way of manipulating jackd connections
without a mouse and GUI?
Jack usually comes with command-line utilities jack_connect
and jack_disconnect, which you can easily script. To see
what ports are available, you can parse the output of
jack_lsp, which is the quick-and-dirty approach Nama uses.
There is jack-plumbing, a simple utility/daemon which will
make connections based on a config file, jack.plumbing.
There is also a python module that looks like it might
be helpful, although I wonder if it can connect
arbitrary ports.
https://pypi.python.org/pypi/JACK-Client/0.4.1
cheers,
Joel
Worik
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